cuckoo clock

clock which strikes the hours with sounds like a cuckoo's call 布谷鸟自鸣钟（报时似布谷鸟的叫声）.

crystallize, crystallize, crystallise, crystallized, -ised, CSE, CSM, CST, ct, cu, cub, cub reporter, cubby-hole, cube, cube root, cubic, cubical, cubicle, cubism, cubist, cuckold, cuckoo, cucumber, cud, cuddle, cuddlesome, cudgel, cue, cue in, cuff, cuff-link, cuirass, cuisine, cul-de-sac, culinary, cull, cullender, culminate, culmination, culottes, culpability, culpable,